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40812934 = 243474569
BaseRepresentation
bin1001101110110…
…0000110000110
32211210111211011
42123230012012
540422003214
64014432434
71003622101
oct233540606
984714734
1040812934
11210463a8
121180271a
1385bc886
1455c5738
1538b2ac4
hex26ec186

40812934 has 8 divisors (see below), whose sum is σ = 62643240. Its totient is φ = 19931856.

The previous prime is 40812929. The next prime is 40812953. The reversal of 40812934 is 43921804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40812896 and 40812905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237199 + ... + 237370.

It is an arithmetic number, because the mean of its divisors is an integer number (7830405).

Almost surely, 240812934 is an apocalyptic number.

40812934 is a deficient number, since it is larger than the sum of its proper divisors (21830306).

40812934 is a wasteful number, since it uses less digits than its factorization.

40812934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474614.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40812934 is about 6388.5001369649. The cubic root of 40812934 is about 344.2964982467.

The spelling of 40812934 in words is "forty million, eight hundred twelve thousand, nine hundred thirty-four".

Divisors: 1 2 43 86 474569 949138 20406467 40812934